1805639920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{761}}^1$

素因数の和:1023

約数の個数: 160

約数和(自身を含む): 5079674880

約数和(自身を除く): 3274034960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 223, 266, 280, 304, 380, 446, 532, 560, 665, 760, 761, 892, 1064, 1115, 1330, 1520, 1522, 1561, 1784, 2128, 2230, 2660, 3044, 3122, 3568, 3805, 4237, 4460, 5320, 5327, 6088, 6244, 7610, 7805, 8474, 8920, 10640, 10654, 12176, 12488, 14459, 15220, 15610, 16948, 17840, 21185, 21308, 24976, 26635, 28918, 29659, 30440, 31220, 33896, 42370, 42616, 53270, 57836, 59318, 60880, 62440, 67792, 72295, 84740, 85232, 101213, 106540, 115672, 118636, 124880, 144590, 148295, 169480, 169703, 202426, 213080, 231344, 237272, 289180, 296590, 338960, 339406, 404852, 426160, 474544, 506065, 578360, 593180, 678812, 809704, 848515, 1012130, 1156720, 1186360, 1187921, 1357624, 1619408, 1697030, 2024260, 2372720, 2375842, 2715248, 3224357, 3394060, 4048520, 4751684, 5939605, 6448714, 6788120, 8097040, 9503368, 11879210, 12897428, 13576240, 16121785, 19006736, 22570499, 23758420, 25794856, 32243570, 45140998, 47516840, 51589712, 64487140, 90281996, 95033680, 112852495, 128974280, 180563992, 225704990, 257948560, 361127984, 451409980, 902819960, 1805639920]

約数ペア:

[(1, 1805639920), (2, 902819960), (4, 451409980), (5, 361127984), (7, 257948560), (8, 225704990), (10, 180563992), (14, 128974280), (16, 112852495), (19, 95033680), (20, 90281996), (28, 64487140), (35, 51589712), (38, 47516840), (40, 45140998), (56, 32243570), (70, 25794856), (76, 23758420), (80, 22570499), (95, 19006736), (112, 16121785), (133, 13576240), (140, 12897428), (152, 11879210), (190, 9503368), (223, 8097040), (266, 6788120), (280, 6448714), (304, 5939605), (380, 4751684), (446, 4048520), (532, 3394060), (560, 3224357), (665, 2715248), (760, 2375842), (761, 2372720), (892, 2024260), (1064, 1697030), (1115, 1619408), (1330, 1357624), (1520, 1187921), (1522, 1186360), (1561, 1156720), (1784, 1012130), (2128, 848515), (2230, 809704), (2660, 678812), (3044, 593180), (3122, 578360), (3568, 506065), (3805, 474544), (4237, 426160), (4460, 404852), (5320, 339406), (5327, 338960), (6088, 296590), (6244, 289180), (7610, 237272), (7805, 231344), (8474, 213080), (8920, 202426), (10640, 169703), (10654, 169480), (12176, 148295), (12488, 144590), (14459, 124880), (15220, 118636), (15610, 115672), (16948, 106540), (17840, 101213), (21185, 85232), (21308, 84740), (24976, 72295), (26635, 67792), (28918, 62440), (29659, 60880), (30440, 59318), (31220, 57836), (33896, 53270), (42370, 42616)]